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OPA643 Datasheet(PDF) 6 Page - Texas Instruments

Part # OPA643
Description  Wideband Low Distortion, High Gain OPERATIONAL AMPLIFIER
PDF  18 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA643 Datasheet(HTML) 6 Page - Texas Instruments

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OPA643
6
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C, VS = ±5V, RL = 100Ω, RF = 402Ω, unless otherwise noted.
3RD HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
110
0.1
20
G = 5
–40
–50
–60
–70
–80
–90
–100
V
O = 2Vp-p
G = 10
G = 20
0
DC Offset (V)
1.4
0.7
0
0.7
1.4
DC Offset (V)
0.004
0.002
0.000
–0.002
–0.004
–0.006
0.015
0.010
0.005
0.000
2ND HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
110
0.1
20
G = 10
–40
–50
–60
–70
–80
–90
–100
V
O = 2Vp-p
G = 20
G = 5
OPEN-LOOP GAIN AND PHASE
Frequency (Hz)
103
104
105
106
107
108
109
102
100
90
80
70
60
50
40
30
20
10
0
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
–300
TWO-TONE, THIRD ORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
5
0
1015
2025
3035
40
45
50
55
50
45
40
35
30
25
100
Ω
402
Ω
OPA643
50
Ω
50
Ω
50
Ω
P
i
P
O
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
10
1
102
103
104
105
106
107
Current Noise
Voltage Noise
2.5pA/
√Hz
2.3nV/
√Hz



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